The M31 (X) headphones protect against loud noise while allowing you to hear ambient sounds.
Sounds are detected by two directional microphones and reproduced by speakers in the ear cups.
M31 (X) provides sound protection in noisy environments:
Harmful sounds are limited to a safe level of 82 dB, while quieter sounds are amplified.
Main features of the M31 (X) headphones:
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Suppresses harmful noise above 82 dB
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Amplifies low-level sounds
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Comfortable ear cushions for a secure fit
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Independent four high-quality audio speakers for separate audio input devices and ambient sounds
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Adjustable soft headband for personalized comfort
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Foldable design for easy storage and protection
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Automatic shutdown after 4 hours
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Impact-resistant polycarbonate shell, 3 mm thick
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Water resistance: IPX-5
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Powered by 2×1.5V AAA batteries, approx. 350 hours of operation
